Form 8.3 - SPIRENT COMMUNICATIONS PLC

FORM 8.3

PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY

A PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR

MORE

Rule 8.3 of the Takeover Code (the "Code")

1.

KEY INFORMATION

(a)

Full name of discloser:

Barclays PLC.

(b)

Owner or controller of interest and short

positions disclosed, if different from 1(a):

(c)

Name of offeror/offeree in relation to whose

SPIRENT COMMUNICATIONS PLC

relevant securities this form relates:

(d)

If an exempt fund manager connected with an

offeror/offeree, state this and specify identity of

offeror/offeree:

(e)

Date position held/dealing undertaken:

06 Jan 2025

(f)

In addition to the company in 1(c) above, is the discloser making

NO

disclosures in respect of any other party to the offer?

2.

POSITIONS OF THE PERSON MAKING THE DISCLOSURE

(a)

Interests and short positions in the relevant securities of the offeror or offeree

to which the disclosure relates following the dealing(if any)

Class of relevant security:

3 1/3p ordinary

Interests

Short Positions

Number

(%)

Number

(%)

(1)

Relevant securities owned

and/or controlled:

44,615,953

7.71%

1,058,020

0.18%

(2)

Cash-settled derivatives:

and/or controlled:

751,930

0.13%

44,452,192

7.68%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

45,367,883

7.84%

45,510,212

7.86%

(b)

Rights to subscribe for new securities (including directors and other executive

options)

Class of relevant security in relation to

which subscription right exists

Details, including nature of the rights

concerned and relevant percentages:

3.

DEALINGS (IF ANY) BY THE EXEMPT PRINCIPAL TRADER

(a)

Purchases and sales

Class of relevant

Purchase/sale

Number of

Price per unit

security

securities

3 1/3p ordinary

Purchase

102,899

1.7430 GBP

3 1/3p ordinary

Purchase

74,800

1.7468 GBP

3 1/3p ordinary

Purchase

36,128

1.7645 GBP

3 1/3p ordinary

Purchase

11,899

1.7699 GBP

3 1/3p ordinary

Purchase

10,338

1.7605 GBP

3 1/3p ordinary

Purchase

5,984

1.7639 GBP

3 1/3p ordinary

Purchase

4,558

1.7626 GBP

3 1/3p ordinary

Purchase

4,186

1.7530 GBP

3 1/3p ordinary

Purchase

3,561

1.7698 GBP

3 1/3p ordinary

Purchase

2,783

1.7518 GBP

3 1/3p ordinary

Purchase

1,966

1.7400 GBP

3 1/3p ordinary

Purchase

1,681

1.7504 GBP

3 1/3p ordinary

Purchase

1,442

1.7401 GBP

3 1/3p ordinary

Purchase

936

1.7638 GBP

3 1/3p ordinary

Purchase

783

1.7546 GBP

3 1/3p ordinary

Purchase

753

1.7690 GBP

3 1/3p ordinary

Purchase

540

1.7628 GBP

3 1/3p ordinary

Purchase

229

1.7600 GBP

3 1/3p ordinary

Purchase

129

1.7659 GBP

3 1/3p ordinary

Purchase

79

1.7610 GBP

3 1/3p ordinary

Purchase

26

1.7696 GBP

3 1/3p ordinary

Sale

70,696

1.7400 GBP

3 1/3p ordinary

Sale

56,249

1.7418 GBP

3 1/3p ordinary

Sale

17,419

1.7621 GBP

3 1/3p ordinary

Sale

4,102

1.7579 GBP

3 1/3p ordinary

Sale

3,789

1.7599 GBP

3 1/3p ordinary

Sale

2,154

1.7581 GBP

3 1/3p ordinary

Sale

690

1.7549 GBP

3 1/3p ordinary

Sale

290

1.7399 GBP

3 1/3p ordinary

Sale

79

1.7611 GBP

3 1/3p ordinary

Sale

66

1.7700 GBP

(b)

Cash-settled derivative transactions

Class of

Product

Nature of dealing

Number of

Price per

relevant

description

reference

unit

security

securities

3 1/3p ordinary

SWAP

Decreasing Short

1,016

1.7399 GBP

3 1/3p ordinary

SWAP

Decreasing Short

69,680

1.7400 GBP

3 1/3p ordinary

SWAP

Decreasing Short

56,249

1.7418 GBP

3 1/3p ordinary

SWAP

Decreasing Short

90

1.7539 GBP

3 1/3p ordinary

SWAP

Decreasing Short

4,012

1.7579 GBP

3 1/3p ordinary

SWAP

Decreasing Short

3,789

1.7599 GBP

3 1/3p ordinary

SWAP

Decreasing Short

17,419

1.7621 GBP

3 1/3p ordinary

SWAP

Decreasing Short

66

1.7700 GBP

3 1/3p ordinary

SWAP

Increasing Short

77,253

1.7400 GBP

3 1/3p ordinary

SWAP

Increasing Short

1,442

1.7401 GBP

3 1/3p ordinary

SWAP

Increasing Short

74,800

1.7468 GBP

3 1/3p ordinary

SWAP

Increasing Short

783

1.7546 GBP

3 1/3p ordinary

SWAP

Increasing Short

7,959

1.7569 GBP

3 1/3p ordinary

SWAP

Increasing Short

10,896

1.7575 GBP

3 1/3p ordinary

SWAP

Increasing Short

229

1.7601 GBP

3 1/3p ordinary

SWAP

Increasing Short

4,226

1.7609 GBP

3 1/3p ordinary

SWAP

Increasing Short

4,558

1.7626 GBP

3 1/3p ordinary

SWAP

Increasing Short

924

1.7634 GBP

3 1/3p ordinary

SWAP

Increasing Short

5

1.7640 GBP

3 1/3p ordinary

SWAP

Increasing Short

36,128

1.7645 GBP

3 1/3p ordinary

SWAP

Increasing Short

484

1.7655 GBP

3 1/3p ordinary

SWAP

Increasing Short

2

1.7670 GBP

3 1/3p ordinary

SWAP

Increasing Short

1,334

1.7688 GBP

3 1/3p ordinary

SWAP

Increasing Short

26

1.7695 GBP

3 1/3p ordinary

SWAP

Increasing Short

11,899

1.7699 GBP

3 1/3p ordinary

CFD

Increasing Short

24,994

1.7527 GBP

3 1/3p ordinary

CFD

Increasing Short

2,678

1.7568 GBP

3 1/3p ordinary

CFD

Increasing Short

1,867

1.7710 GBP

(c)

Stock-settled derivative transactions (including options)

(i)

Writing, selling, purchasing or varying

Class

Product

Writing,

Number

Exercise

Type

Expiry

Option

of

description

purchasing,

of

price

date

money

relevant

selling,

securities

per unit

paid/

security

varying etc

to which

received

option

per unit

relates

(ii)

Exercising

Class of relevant

Product description

Exercising/ exercised against

Number of

Exercise price per

security

securities

unit

(d)

Other dealings (including subscribing for new securities)

Class of relevant

Nature of Dealings

Details

Price per unit (if

security

applicable)

4.

OTHER INFORMATION

(a)

Indemnity and other dealings arrangements

Details of any indemnity or option arrangement, or any agreement or understanding,

formal or informal, relating to relevant securities which may be an inducement to deal

or refrain from dealing entered into by the exempt principal trader making the disclosure and any party

to the offer or any person acting in concert with a party to the offer:

NONE

(b)

Agreements, arrangements or understandings relating to options or derivatives

Details of any agreement, arrangement or understanding, formal or informal, between

the person making the disclosure and any other person relating to:

(i) the voting rights of any relevant securities under any option; or

(ii) the voting rights of future acquisition or disposal of any relevant securities to which

any derivative is referenced:

NONE

(c)

Attachments

Is a Supplemental Form 8 (Open Positions) attached?

NO

Date of disclosure:

07 Jan 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213